CN218534746U

CN218534746U - Sizing material cutting device is used in rubber tube production

Info

Publication number: CN218534746U
Application number: CN202222943539.3U
Authority: CN
Inventors: 胡春明; 谭毅; 王森; 胡建平
Original assignee: Shiyan Meichen Auto Parts Co ltd
Current assignee: Shiyan Meichen Auto Parts Co ltd
Priority date: 2022-11-07
Filing date: 2022-11-07
Publication date: 2023-02-28
Anticipated expiration: 2032-11-07

Abstract

The utility model provides a sizing material cutting device is used in rubber tube production relates to rubber tube production technical field, include: a processing box; the front end surface of the processing box is hinged with a transparent observation door; a processing cabin is arranged in the middle of the front end surface of the processing box; a feed inlet is arranged at the front lower part of the left end surface of the processing box in a penetrating way; the feed inlet is aligned with the position of the processing cabin; the front part of the bottom end surface of the processing box is fixedly connected with a fixed mounting seat; the left part of the top end surface of the fixed mounting seat is fixedly connected with a limiting seat; inside hydraulic push rod started sent into the rubber tube sizing material with the auxiliary block, supported the inside of rubber tube sizing material through the cooperation of supporting spring and supporting shoe, made the rubber tube sizing material more even at the inside and outside atress of in-process of cutting, solved and caused the extrusion to lead to the inside and outside atress of rubber tube sizing material inhomogeneous and produce the deformation easily to the rubber tube sizing material, can make the problem of the incision unevenness of rubber tube sizing material after the rubber tube sizing material warp.

Description

Sizing material cutting device is used in rubber tube production

Technical Field

The utility model relates to a rubber tube production technical field, in particular to rubber material cutting device is used in rubber tube production.

Background

The rubber tube can be used often in the car, at the in-process of car rubber tube production, can be according to the needs of production, cut into different length with the rubber tube sizing material to conveniently carry out subsequent processing, in order to cut the rubber tube sizing material conveniently, the staff can use sizing material cutting device usually, and current sizing material cutting device is usually after fixing sizing material cutting device, cuts the rubber tube sizing material through cutting machine or cutting tool.

For example, the utility model with the application number of CN202020919654.5 discloses a rubber tube raw material fixed-length cutting device for an automobile, which specifically comprises a roller conveying frame, wherein a raw material conveying mechanism and a cutting mechanism are arranged above the roller conveying frame; the raw material conveying mechanism comprises a buffering extrusion mechanism, two ends of the buffering extrusion mechanism are connected with a first air cylinder, the first air cylinder is fixed on a sliding block, the sliding block is in threaded connection with a screw rod, one side of the sliding block is slidably arranged in a sliding groove, and two ends of the screw rod are arranged on a roller conveying frame and are driven by a chain conveying mechanism; the cutting mechanism is fixed on a frame of the roller conveying frame, a second cylinder is fixed on the frame, the lower end of a piston rod of the second cylinder is connected with a connecting plate, and a cutter is installed at the bottom end of the connecting plate. The utility model provides a pair of rubber tube raw materials fixed length cutting device for car realizes the cutting of rubber tube raw materials machinery propelling movement for the car, and cutting length is unanimous.

However, with present traditional sizing material cutting device, because the rubber tube sizing material has certain toughness, at the in-process that uses cutting machine or cutting tool to cut the rubber tube sizing material, cause the extrusion to lead to the inside and outside atress of rubber tube sizing material inhomogeneous and produce the deformation easily to the rubber tube sizing material, can make the incision of rubber tube sizing material the condition of unevenness appear after the rubber tube sizing material warp, the breach is in to be dragged and is out of shape the back and produce the damage easily simultaneously, influences the finished product quality of rubber tube sizing material.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a sizing material cutting device is used in rubber tube production, it has spacing seat and the auxiliary block that can keep the inside and outside atress balance of rubber tube sizing material in cutting process, stretch into spacing seat with the rubber tube sizing material from the feed inlet in the in-process that uses, elastic support to the clamp block through clamping spring, make the outside of clamp block to the rubber tube sizing material carry out spacing fixed, it is inside to start hydraulic push rod sends the auxiliary block into the rubber tube sizing material afterwards, the cooperation through supporting spring and supporting shoe supports the inside of rubber tube sizing material, make the inside and outside atress of rubber tube sizing material at the in-process of cutting more even, prevent that the rubber tube sizing material from cylindrical becoming the elliptic cylinder shape when the cutting atress, the incision unevenness that leads to the rubber tube sizing material, the production quality of rubber tube sizing material and the product percent of pass of rubber tube sizing material have been improved.

The utility model provides a sizing material cutting device is used in rubber tube production specifically includes: a processing box; the front end face of the processing box is hinged with a transparent observation door; a processing cabin is arranged in the middle of the front end surface of the processing box; a feed inlet is formed in the front lower part of the left end face of the processing box in a penetrating manner; the feed inlet is aligned with the position of the processing cabin; the front part of the bottom end surface of the processing box is fixedly connected with a fixed mounting seat; the left part of the top end face of the fixed mounting seat is fixedly connected with a limiting seat; the right part of the top end face of the fixed mounting seat is fixedly connected with a hydraulic push rod; the position of the hydraulic push rod is aligned with the position of the limiting seat; an auxiliary groove is formed in the left end face of the limiting seat in a penetrating mode; the auxiliary groove is in a cylindrical groove-shaped structure.

Optionally, two groups of clamping springs are symmetrically and fixedly connected to the inner wall of the auxiliary groove; the tail ends of the two groups of clamping springs are respectively and fixedly connected with a clamping block; rubber tube rubber materials are clamped between the two clamping blocks; the inner walls of the two clamping blocks are in contact with the outer wall of the rubber material of the rubber tube.

Optionally, an auxiliary mounting plate is fixedly connected to the center of the rear end face of the processing box; the upper part of the left end face of the auxiliary mounting plate is fixedly connected with a driving motor through a bolt; the right end face of the driving motor is coaxially connected with a rotating rod; the dwang rotates to be connected on the right-hand member face of auxiliary mounting panel.

Optionally, two auxiliary sliding grooves are symmetrically formed in the right end face of the auxiliary mounting plate; a reciprocating slide block is respectively connected in the two auxiliary chutes in a sliding manner; a feeding chute is arranged in the middle of the bottom end surface of the lower auxiliary chute; the bottom end face of the lower reciprocating slide block is fixedly connected with a cutting machine; the cutting machine is connected in the feeding chute in a sliding way; the right end surfaces of the two reciprocating slide blocks are fixedly connected with a limiting column in the middle; a swing frame is arranged on the right end face of the auxiliary mounting plate in the middle in a rotating mode; the front end surface of the swing frame is symmetrically provided with two swing chutes; the two limiting columns are respectively connected in the two swing sliding chutes in a sliding manner; the outer wall of the upper limiting column is rotatably connected with a connecting rod; the tail end of the connecting rod is rotatably connected to the right end face of the rotating rod.

Optionally, an auxiliary block is fixedly connected to the left end face of the hydraulic push rod; three guide sliding chutes are arranged in the auxiliary block in an annular array shape; a supporting block is respectively connected in the three guide chutes in a sliding manner; the bottom end surfaces of the three supporting blocks are respectively and fixedly connected with a supporting spring; the tail ends of the three supporting springs are respectively and fixedly connected to the bottom end faces of the three guide sliding grooves.

Optionally, the top end surface of the hydraulic push rod is fixedly connected with an installation support rod; the front part of the bottom end surface of the mounting support rod is fixedly connected with a material unloading block; a material receiving groove is formed in the right part of the top end face of the fixed mounting seat; the position of the material receiving groove is aligned with that of the material discharging block; a material collecting box is connected in the right end face of the fixed mounting seat in a sliding manner; the material collecting box is aligned with the material collecting groove.

Advantageous effects

The utility model discloses at the in-process that cuts to the rubber tube sizing material, can keep the inside and outside atress of rubber tube sizing material even, avoid taking place to warp at the in-process rubber tube sizing material of cutting and lead to the incision irregularly, the production quality of rubber tube sizing material and the product percent of pass of rubber tube sizing material have been improved, simultaneously after the cutting is accomplished, can collect the rubber tube sizing material of cutting completion automatically, the artifical process of getting the material has been saved, the security when not only having improved workman's cutting rubber tube greatly, staff's intensity of labour has also been reduced, the efficiency of getting the material has been improved.

In addition, when cutting the rubber tube sizing material, inside starting hydraulic push rod sent the auxiliary block into the rubber tube sizing material, the inside of rubber tube sizing material was supported through the cooperation of supporting spring and supporting shoe, it is more even to make the inside and outside atress of rubber tube sizing material at the in-process of cutting, prevent that the rubber tube sizing material from becoming the elliptic cylinder shape from cylindrical when the cutting atress, the incision unevenness that leads to the rubber tube sizing material, influence the subsequent use of rubber tube sizing material, the production quality of rubber tube sizing material and the product percent of pass of rubber tube sizing material have been improved.

In addition, after cutting is completed, due to the fact that the supporting spring and the supporting block support rubber materials, the cut rubber tube rubber materials can move along with the reset of the hydraulic push rod, when the cut rubber tube rubber materials move to the discharging block, the discharging block can push the cut rubber tube rubber materials down from the supporting block and fall into the material receiving groove, the cut rubber tube rubber materials enter the material collecting box through the material receiving groove to be stored, the process of manual material taking is omitted, the safety of workers when the workers cut the rubber tube rubber materials is greatly improved, the labor intensity of the workers is reduced, and the material taking efficiency of the rubber tube rubber materials is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.

The drawings in the following description relate to only some embodiments of the invention and are not intended to limit the invention.

In the drawings:

fig. 1 is a schematic view of the axial measurement structure of the present invention.

Fig. 2 is a schematic sectional structure diagram of the present invention.

Fig. 3 is a schematic view of the cross-sectional axial measurement structure of the present invention.

Fig. 4 is a schematic sectional view of the front view of the present invention.

Fig. 5 is a schematic sectional structural view of the auxiliary block of the present invention.

List of reference numerals

1. A processing box; 101. a transparent viewing door; 102. a processing cabin; 103. a feed inlet; 104. fixing the mounting seat; 105. a limiting seat; 106. an auxiliary groove; 107. a clamping spring; 108. a clamping block; 109. a hydraulic push rod; 110. a material receiving groove; 111. an auxiliary block; 112. a guide chute; 113. a support spring; 114. a support block; 115. mounting a support rod; 116. a discharging block; 117. a material collecting box; 118. an auxiliary mounting plate; 119. a drive motor; 120. rotating the rod; 121. a connecting rod; 122. an auxiliary chute; 123. a reciprocating slide block; 124. a feed chute; 125. a cutter; 126. a swing frame; 127. a swing chute; 128. a limiting post; 129. rubber material of the rubber tube.

Detailed Description

In order to make the purpose, solution and advantages of the technical solution of the present invention clearer, the drawings of the specific embodiments of the present invention will be combined hereinafter to clearly and completely describe the technical solution of the embodiments of the present invention. Unless otherwise indicated, terms used herein have the ordinary meaning in the art. Like reference symbols in the various drawings indicate like elements.

The embodiment is as follows: please refer to fig. 1 to 5:

the utility model provides a sizing material cutting device is used in rubber tube production, include: a processing box 1;

the front end surface of the processing box 1 is hinged with a transparent observation door 101; a processing cabin 102 is arranged in the middle of the front end surface of the processing box 1; a feed inlet 103 is arranged at the front lower part of the left end surface of the processing box 1 in a penetrating way; the feed port 103 is aligned with the position of the process chamber 102; the front part of the bottom end surface of the processing box 1 is fixedly connected with a fixed mounting seat 104; the left part of the top end surface of the fixed mounting seat 104 is fixedly connected with a limiting seat 105; a hydraulic push rod 109 is fixedly connected to the right part of the top end surface of the fixed mounting seat 104; the position of the hydraulic push rod 109 is aligned with the position of the limiting seat 105; an auxiliary groove 106 is formed in the left end face of the limiting seat 105 in a penetrating mode; the auxiliary groove 106 has a cylindrical groove-like structure.

In addition, according to the embodiment of the present invention, as shown in fig. 2 and 3, two sets of clamping springs 107 are symmetrically and fixedly connected to the inner wall of the auxiliary groove 106; the tail ends of the two groups of clamping springs 107 are respectively fixedly connected with a clamping block 108; a rubber tube rubber material 129 is clamped between the two clamping blocks 108; the inner wall of two clamp pieces 108 all contacts with the outer wall of rubber tube sizing material 129 to through clamping spring 107 to the elastic support of clamp piece 108, make clamp piece 108 carry out spacing fixed to rubber tube sizing material 129, prevent that rubber tube sizing material 129 from producing the effect that the skew influences the cutting at the in-process of cutting, can make the device can cut the not rubber tube sizing material 129 of equidimension through clamping spring 107 simultaneously, increase the practicality of device.

In addition, according to the embodiment of the present invention, as shown in fig. 2 and 3, an auxiliary mounting plate 118 is fixedly connected to the middle of the rear end surface of the processing box 1; the upper part of the left end face of the auxiliary mounting plate 118 is connected with a driving motor 119 in a bolt fastening way; a rotating rod 120 is coaxially connected to the right end surface of the driving motor 119; the rotating lever 120 is rotatably connected to the right end surface of the auxiliary mounting plate 118, so that the driving motor 119 is driven to rotate the rotating lever 120 by starting the driving motor 119.

In addition, according to the embodiment of the present invention, as shown in fig. 2 and fig. 3, two auxiliary chutes 122 are symmetrically formed on the right end surface of the auxiliary mounting plate 118; a reciprocating slide block 123 is respectively connected in the two auxiliary chutes 122 in a sliding manner; a feeding chute 124 is arranged in the center of the bottom end surface of the lower auxiliary chute 122; the bottom end face of the lower reciprocating slider 123 is fixedly connected with a cutter 125; the cutter 125 is slidably coupled within the feed chute 124; the right end surfaces of the two reciprocating slide blocks 123 are both fixedly connected with a limiting column 128 in the middle; a swing frame 126 is arranged on the right end face of the auxiliary mounting plate 118 in a central rotating mode; the front end face of the swing frame 126 is symmetrically provided with two swing chutes 127; the two limiting columns 128 are respectively connected in the two swing chutes 127 in a sliding manner; the outer wall of the upper limit column 128 is rotatably connected with a connecting rod 121; the tail end of the connecting rod 121 is rotatably connected to the right end face of the rotating rod 120, so that the connecting rod 121 is driven to rotate in the rotating process of the rotating rod 120, the upper limiting column 128 is driven to slide in the swing chute 127 through the rotation of the connecting rod 121, the upper reciprocating sliding block 123 is driven to slide in the auxiliary chute 122 to drive the swing frame 126 to swing, the lower reciprocating sliding block 123 is driven to slide in the auxiliary chute 122 through the swing of the swing frame 126, and then the cutting machine 125 is driven to reciprocate in the feeding chute 124 through the sliding of the lower reciprocating sliding block 123, so that the cutting machine 125 automatically cuts rubber tube rubber materials 129, meanwhile, the reciprocating motion period of the cutting machine 125 can facilitate workers to cut a large amount of rubber tube rubber materials 129, the working efficiency of the workers is improved, and the labor intensity of the workers is reduced.

Furthermore, according to the embodiment of the present invention, as shown in fig. 4 and 5, an auxiliary block 111 is fixedly connected to the left end surface of the hydraulic push rod 109; three guide sliding chutes 112 are formed in the auxiliary block 111 in an annular array; a supporting block 114 is respectively connected in the three guide sliding chutes 112 in a sliding manner; the bottom end surfaces of the three supporting blocks 114 are respectively and fixedly connected with a supporting spring 113; the tail ends of the three supporting springs 113 are respectively and fixedly connected to the bottom end faces of the three guide sliding chutes 112, so that when rubber tube rubber materials 129 are cut, the hydraulic push rod 109 is started to send the auxiliary block 111 into the rubber tube rubber materials 129, the inside of the rubber tube rubber materials 129 is supported through the matching of the supporting springs 113 and the supporting blocks 114, the stress of the rubber tube rubber materials 129 in the cutting process is more uniform, the rubber tube rubber materials 129 are prevented from being changed into an elliptic cylindrical shape from a cylindrical shape when the rubber tube rubber materials 129 are subjected to cutting stress, the notch of the rubber tube rubber materials 129 is uneven, and the subsequent use of the rubber tube rubber materials 129 is influenced.

Furthermore, according to the embodiment of the present invention, as shown in fig. 4, a mounting support rod 115 is fixedly connected to the top end surface of the hydraulic push rod 109; the front part of the bottom end surface of the mounting support rod 115 is fixedly connected with a material unloading block 116; a material receiving groove 110 is formed in the right part of the top end face of the fixed mounting seat 104; the position of the material receiving groove 110 is aligned with the position of the material discharging block 116; a material collecting box 117 is connected in a sliding manner in the right end face of the fixed mounting seat 104; the position of the material collecting box 117 is aligned with the material collecting box 110, so that after cutting is completed, due to the support of the support spring 113 and the support block 114 on the rubber tube rubber material 129, the cut rubber tube rubber material 129 can move along with the reset of the hydraulic push rod 109, when the cut rubber tube rubber material 129 moves to the discharging block 116, the discharging block 116 can push the cut rubber tube rubber material 129 down from the support block 114 and fall into the material collecting box 110, and then the cut rubber tube rubber material enters the material collecting box 117 through the material collecting box 110 to be stored, the process of manual material taking is omitted, the safety of workers when cutting the rubber tube rubber material 129 is greatly improved, the labor intensity of the workers is reduced, and the material taking efficiency of the rubber tube rubber material 129 is improved.

The specific use mode and function of the embodiment are as follows:

in the using process of the utility model, the rubber tube rubber material 129 is extended into the limiting seat 105 from the feeding hole 103, the rubber tube rubber material 129 is limited and fixed by the elastic support of the clamping spring 107 to the clamping block 108, the rubber tube rubber material 129 is prevented from being deviated and affecting the cutting effect in the cutting process, meanwhile, the device can cut the rubber tube rubber material 129 with different sizes by the clamping spring 107, the practicability of the device is increased, the transparent observation door 101 is convenient for workers to observe the processing condition in the processing box 1, the driving motor 119 is started to drive the driving motor 119 to drive the rotating rod 120 to rotate, the connecting rod 121 is driven to rotate in the rotating process of the rotating rod 120, the upper limiting column 128 is driven to slide in the swinging chute 127 by the rotation of the connecting rod 121, and the upper reciprocating slide block 123 is driven to slide in the auxiliary chute 122 to drive the swinging frame 126 to swing, the swing of the swing frame 126 drives the lower reciprocating slide block 123 to slide in the auxiliary chute 122, and further drives the cutting machine 125 to reciprocate in the feeding chute 124 through the sliding of the lower reciprocating slide block 123, so that the cutting machine 125 automatically cuts rubber material 129 of the rubber tube, meanwhile, the reciprocating motion period of the cutting machine 125 can facilitate a worker to cut a large amount of rubber material 129 of the rubber tube, the working efficiency of the worker is improved, and the labor intensity of the worker is reduced, when the rubber material 129 of the rubber tube is cut, the hydraulic push rod 109 is started to feed the auxiliary block 111 into the rubber material 129 of the rubber tube, the inside of the rubber material 129 of the rubber tube is supported through the matching of the supporting spring 113 and the supporting block 114, so that the internal and external stresses of the rubber material 129 in the cutting process are more uniform, and the rubber material 129 of the rubber tube is prevented from cylindrical to elliptical column when the rubber material 129 is subjected to cutting stress, the notch of the rubber tube rubber material 129 is uneven, the subsequent use of the rubber tube rubber material 129 is affected, after cutting is completed, due to the fact that the supporting spring 113 and the supporting block 114 support the rubber tube rubber material 129, the cut rubber tube rubber material 129 can move along with the resetting of the hydraulic push rod 109, when the cut rubber tube rubber material 129 moves to the discharging block 116, the discharging block 116 can push the cut rubber tube rubber material 129 down from the supporting block 114 to fall into the receiving groove 110, then the cut rubber tube rubber material enters the collecting box 117 through the receiving groove 110 to be stored, the process of manual material taking is omitted, the safety of workers when the workers cut the rubber tube rubber material 129 is greatly improved, the labor intensity of the workers is reduced, and the material taking efficiency of the rubber tube rubber material 129 is improved.

Finally, it should be noted that the present invention is generally illustrated by one/a pair of components when describing the position of each component and the matching relationship therebetween, however, it should be understood by those skilled in the art that such position, matching relationship, etc. are also applicable to other components/other pairs of components.

The above description is intended to be exemplary of the present invention, and not to limit the scope of the present invention, which is defined by the claims appended hereto.

Claims

1. The utility model provides a rubber material cutting device is used in rubber tube production which characterized in that includes: a processing box (1); the front end face of the processing box (1) is hinged with a transparent observation door (101); a processing cabin (102) is arranged in the middle of the front end face of the processing box (1); a feed inlet (103) is formed in the front lower part of the left end face of the processing box (1) in a penetrating manner; the feed opening (103) is aligned with the position of the processing cabin (102); the front part of the bottom end surface of the processing box (1) is fixedly connected with a fixed mounting seat (104); the left part of the top end surface of the fixed mounting seat (104) is fixedly connected with a limiting seat (105); the right part of the top end face of the fixed mounting seat (104) is fixedly connected with a hydraulic push rod (109); the hydraulic push rod (109) is aligned with the position of the limiting seat (105); an auxiliary groove (106) is formed in the left end face of the limiting seat (105) in a penetrating mode; the auxiliary groove (106) is of a cylindrical groove-shaped structure.

2. The rubber material cutting device for rubber tube production as set forth in claim 1, wherein: two groups of clamping springs (107) are symmetrically and fixedly connected to the inner wall of the auxiliary groove (106); the tail ends of the two groups of clamping springs (107) are respectively and fixedly connected with a clamping block (108); a rubber tube sizing material (129) is clamped between the two clamping blocks (108); the inner walls of the two clamping blocks (108) are both contacted with the outer wall of the rubber tube sizing material (129).

3. The rubber material cutting device for rubber tube production as recited in claim 1, wherein: the middle of the rear end face of the processing box (1) is fixedly connected with an auxiliary mounting plate (118); the upper part of the left end surface of the auxiliary mounting plate (118) is connected with a driving motor (119) in a fastening way through a bolt; the right end face of the driving motor (119) is coaxially connected with a rotating rod (120); the rotating rod (120) is rotatably connected to the right end face of the auxiliary mounting plate (118).

4. The rubber material cutting device for rubber tube production as recited in claim 3, wherein: two auxiliary sliding grooves (122) are symmetrically formed in the right end face of the auxiliary mounting plate (118); a reciprocating slide block (123) is respectively connected in the two auxiliary sliding chutes (122) in a sliding manner; a feeding chute (124) is arranged in the middle of the bottom end surface of the lower auxiliary chute (122); the bottom end surface of the lower reciprocating slide block (123) is fixedly connected with a cutting machine (125); the cutting machine (125) is connected in the feeding chute (124) in a sliding way; the right end faces of the two reciprocating slide blocks (123) are both fixedly connected with a limiting column (128) in the middle; a swing frame (126) is arranged on the right end surface of the auxiliary mounting plate (118) in a rotating mode in the center; two swing sliding grooves (127) are symmetrically formed in the front end face of the swing frame (126); the two limiting columns (128) are respectively connected in the two swing sliding chutes (127) in a sliding manner; the outer wall of the upper limiting column (128) is rotatably connected with a connecting rod (121); the tail end of the connecting rod (121) is rotatably connected to the right end face of the rotating rod (120).

5. The rubber material cutting device for rubber tube production as recited in claim 1, wherein: the left end face of the hydraulic push rod (109) is fixedly connected with an auxiliary block (111); three guide sliding chutes (112) are formed in the auxiliary block (111) in an annular array shape; a supporting block (114) is respectively connected in the three guide sliding chutes (112) in a sliding manner; the bottom end surfaces of the three supporting blocks (114) are respectively and fixedly connected with a supporting spring (113); the tail ends of the three supporting springs (113) are respectively and fixedly connected to the bottom end surfaces of the three guide sliding chutes (112).

6. The rubber material cutting device for rubber tube production as set forth in claim 1, wherein: the top end face of the hydraulic push rod (109) is fixedly connected with an installation supporting rod (115); the front part of the bottom end surface of the mounting support rod (115) is fixedly connected with a material unloading block (116); a material receiving groove (110) is formed in the right part of the top end face of the fixed mounting seat (104); the position of the material receiving groove (110) is aligned with the position of the material discharging block (116); a material collecting box (117) is connected in a sliding manner in the right end face of the fixed mounting seat (104); the material collecting box (117) is aligned with the position of the material receiving groove (110).